12699343 has 2 divisors, whose sum is σ = 12699344. Its totient is φ = 12699342.

The previous prime is 12699341. The next prime is 12699347. The reversal of 12699343 is 34399621.

It is a weak prime.

It is an emirp because it is prime and its reverse (34399621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12699343 - 2¹ = 12699341 is a prime.

It is a super-2 number, since 2×12699343² = 322546625263298, which contains 22 as substring.

Together with 12699341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12699341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6349671 + 6349672.

It is an arithmetic number, because the mean of its divisors is an integer number (6349672).

Almost surely, 2^12699343 is an apocalyptic number.

12699343 is a deficient number, since it is larger than the sum of its proper divisors (1).

12699343 is an equidigital number, since it uses as much as digits as its factorization.

12699343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 37.

The square root of 12699343 is about 3563.6137557261. The cubic root of 12699343 is about 233.3066320920.

The spelling of 12699343 in words is "twelve million, six hundred ninety-nine thousand, three hundred forty-three".